Calculators that respond to their environment. All of the financial calculators here at CalcXML have been designed following responsive web design principles, adapting to the size of the screen on which they are displayed. From the smallest cell phone to the largest desktop monitor, all of your web visitors will be happy with these financial calculators.
Dichlorodiphenyltrichloroethane (DDT) Dichlorodiphenyltrichloroethane (DDT) is an insecticide used in agriculture. The United States banned the use of DDT in 1972, but some countries still use the chemical.
DDT Ban: DDT was banned in the year of 1972 because it received alot of criticism roughly about two decades after production. There were claims that DDT was responsible for major declines in reproduction of different birds of prey and eagles.